@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Playfair+Display:ital,wght@1,400&display=swap');

:root {
  --black: #111111;
  --dark-grey: #2d2d2d;
  --white: #ffffff;
  --off-white: #f8f8f6;
  --yellow: #f0c820;
  --red: #e03030;
  --blue-btn: #3a5bd9;
  --green-btn: #2a9d4e;
  --light-border: #e8e8e4;
  --text-body: #333333;
  --text-muted: #777777;
  --grey-bg: #f3f3f0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--text-body);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 22px;
  line-height: 1.85;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 4rem;
  background: #ffffff;
  border-bottom: 1px solid var(--light-border);
}

.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.4rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.logo span.hash { color: var(--black); }
.logo span.clim { color: var(--red); }
.logo span.phobia { color: var(--black); }

.nav-links { display: flex; align-items: center; gap: 2.5rem; }
.nav-links a {
  color: var(--text-body);
  text-decoration: none;
  font-size: 19px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--red); }

.btn-join {
  background-color: #2a9d4e !important;
  color: #ffffff !important;
  border: none !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none !important;
  display: inline-block;
  cursor: pointer;
  -webkit-appearance: none;
}
.btn-join:hover {
  background-color: #228a42 !important;
  color: #ffffff !important;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 4rem 4rem;
  background: var(--white);
  gap: 3rem;
}
.hero-content { flex: 1; max-width: 520px; }
.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 0.95;
  color: var(--black);
  margin-bottom: 1.5rem;
}
.hero p { font-size: 22px; color: var(--text-body); margin-bottom: 0.75rem; max-width: 440px; }
.hashtags { font-size: 19px; color: var(--red); margin-bottom: 2rem; font-weight: 500; }

.btn-primary {
  display: inline-block;
  background-color: var(--blue-btn);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 19px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); }

.hero-illustration { flex: 1; display: flex; justify-content: center; align-items: center; }
.illus-box {
  background: #e8edf5;
  border-radius: 16px;
  width: 480px; height: 360px;
  display: flex; align-items: center; justify-content: center;
}
.brain-svg { width: 300px; animation: floatUp 4s ease-in-out infinite; }
@keyframes floatUp { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

/* WHAT IS */
.what-is {
  background: var(--yellow);
  color: var(--black);
  padding: 7rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.what-is h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  color: var(--black);
}
.what-is p { font-size: 22px; color: #1a1a1a; margin-bottom: 2rem; line-height: 1.85; }
.what-is strong { font-weight: 700; }
.btn-discover {
  display: inline-block;
  background-color: var(--black);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 19px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s;
}
.btn-discover:hover { transform: translateY(-2px); }

/* IMPACT */
.impact {
  background: var(--off-white);
  padding: 7rem 4rem;
  text-align: center;
  border-top: 1px solid var(--light-border);
  border-bottom: 1px solid var(--light-border);
}
.impact h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--dark-grey);
  margin-bottom: 0.5rem;
}
.impact .sub { color: var(--text-muted); margin-bottom: 3.5rem; font-size: 20px; }
.impact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; max-width: 960px; margin: 0 auto; }
.impact-card {
  background: var(--white);
  border: 1px solid var(--light-border);
  border-radius: 10px;
  padding: 2rem;
  text-align: left;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.impact-card:hover { border-color: var(--red); box-shadow: 0 4px 20px rgba(0,0,0,0.07); }
.impact-icon { width: 48px; height: 48px; background: var(--yellow); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem; font-size: 1.3rem; }
.impact-card h3 { font-size: 21px; font-weight: 700; margin-bottom: 0.75rem; color: var(--dark-grey); }
.impact-card p { font-size: 19px; color: var(--text-muted); margin-bottom: 1.2rem; line-height: 1.75; }
.link-arrow { color: var(--red); text-decoration: none; font-size: 18px; font-weight: 600; }
.link-arrow:hover { text-decoration: underline; }

/* FEATURED IN */
.featured {
  background: var(--white);
  padding: 5rem 4rem;
  text-align: center;
  border-bottom: 1px solid var(--light-border);
}
.featured h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  text-transform: uppercase;
}
.featured-logos { display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.featured-badge {
  border: 1.5px solid var(--light-border);
  border-radius: 8px;
  padding: 1rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--black);
}
.featured-badge:hover { border-color: var(--red); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.featured-badge .org-name { font-family: 'Bebas Neue', sans-serif; font-size: 1.4rem; color: var(--dark-grey); }
.featured-badge .org-sub { font-size: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* BLOG PREVIEW */
.blog-preview { background: var(--grey-bg); padding: 7rem 4rem; border-top: 1px solid var(--light-border); }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 3rem; }
.section-header h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.5rem, 4vw, 3.5rem); color: var(--dark-grey); }
.section-header a { color: var(--red); text-decoration: none; font-size: 19px; font-weight: 500; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.blog-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--light-border);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--text-body);
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.blog-thumb { height: 160px; display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.thumb-earthquake { background: linear-gradient(135deg, #1a0a0a, #3a1010); }
.thumb-eco { background: linear-gradient(135deg, #0a1020, #10203a); }
.thumb-udemy { background: linear-gradient(135deg, #1a0a2a, #3a1060); }
.blog-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.blog-tag { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--red); margin-bottom: 0.6rem; font-weight: 600; }
.blog-card h3 { font-size: 20px; font-weight: 700; line-height: 1.4; margin-bottom: 0.75rem; color: var(--dark-grey); }
.blog-card p { font-size: 18px; color: var(--text-muted); flex: 1; line-height: 1.7; }

/* FAQ */
.faq-section { background: var(--white); padding: 7rem 4rem; }
.faq-inner { max-width: 860px; margin: 0 auto; }
.faq-inner h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.5rem,5vw,4rem); text-align: center; margin-bottom: 0.5rem; color: var(--dark-grey); }
.faq-inner .sub { text-align: center; color: var(--text-muted); margin-bottom: 3rem; font-size: 20px; }
.faq-item { border: 1px solid var(--light-border); border-radius: 8px; margin-bottom: 0.75rem; overflow: hidden; }
.faq-q {
  width: 100%; background-color: var(--off-white); color: var(--black); border: none;
  padding: 1.3rem 1.5rem; text-align: left; font-family: 'DM Sans', sans-serif;
  font-size: 20px; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  transition: background 0.2s;
}
.faq-q:hover, .faq-q.open { background-color: #eeeee8; }
.faq-chevron { transition: transform 0.3s; font-size: 1.1rem; color: var(--red); }
.faq-q.open .faq-chevron { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s; background: var(--white); font-size: 20px; color: var(--text-body); line-height: 1.85; padding: 0 1.5rem; }
.faq-a.open { max-height: 300px; padding: 1.2rem 1.5rem; }

/* PAGE HERO */
.page-hero { padding: 9rem 4rem 5rem; background: var(--off-white); border-bottom: 1px solid var(--light-border); }
.page-hero h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(3rem, 7vw, 6rem); line-height: 1; margin-bottom: 1rem; color: var(--dark-grey); }
.page-hero h1 span { color: var(--red); }
.page-hero p { max-width: 580px; color: var(--text-muted); font-size: 22px; line-height: 1.8; }

/* CONTENT */
.content { max-width: 860px; margin: 0 auto; padding: 5rem 4rem; }
.content p { color: var(--text-body); font-size: 22px; margin-bottom: 1.5rem; line-height: 1.9; }
.content h2 { font-family: 'Bebas Neue', sans-serif; font-size: 2.4rem; color: var(--dark-grey); margin: 3rem 0 1.2rem; }

/* TEAM */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2rem 0 3rem; }
.team-card { background: var(--off-white); border: 1px solid var(--light-border); border-radius: 10px; padding: 1.8rem; transition: border-color 0.2s; }
.team-card:hover { border-color: var(--red); }
.team-card .icon { font-size: 2rem; margin-bottom: 1rem; }
.team-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 0.6rem; color: var(--dark-grey); }
.team-card p { font-size: 18px; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* APPROACH */
.approach-list { list-style: none; margin: 1rem 0 2rem; }
.approach-list li { padding: 1.2rem 1.5rem; border-left: 3px solid var(--red); background: var(--off-white); margin-bottom: 0.75rem; border-radius: 0 8px 8px 0; }
.approach-list li strong { display: block; font-size: 20px; margin-bottom: 0.3rem; color: var(--dark-grey); }
.approach-list li span { font-size: 19px; color: var(--text-muted); }

/* CONTACT */
.contact-box { background: var(--off-white); border: 1px solid var(--light-border); border-radius: 12px; padding: 3rem; text-align: center; margin-top: 4rem; }
.contact-box h2 { font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem; margin-bottom: 1rem; color: var(--dark-grey); }
.contact-box p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 20px; }
.contact-box a.email-link { color: var(--red); text-decoration: none; font-size: 21px; font-weight: 600; }
.contact-box a.email-link:hover { text-decoration: underline; }

/* RESOURCES */
.section-title { font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem; color: var(--dark-grey); margin-bottom: 2rem; padding-bottom: 0.75rem; border-bottom: 2px solid var(--yellow); }
.course-card { background: var(--off-white); border: 1px solid var(--light-border); border-radius: 14px; padding: 2.5rem; display: flex; gap: 2.5rem; align-items: flex-start; margin-bottom: 4rem; }
.course-icon { font-size: 4rem; flex-shrink: 0; }
.course-body h3 { font-size: 23px; font-weight: 700; margin-bottom: 0.75rem; color: var(--dark-grey); }
.course-body p { color: var(--text-muted); font-size: 20px; margin-bottom: 1.5rem; line-height: 1.8; }
.course-meta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.course-meta span { font-size: 15px; background: var(--white); border: 1px solid var(--light-border); padding: 0.35rem 0.85rem; border-radius: 20px; color: var(--text-body); }
.btn-udemy { display: inline-block; background-color: #a435f0; color: #ffffff; padding: 12px 24px; border-radius: 6px; font-weight: 700; text-decoration: none; font-size: 18px; transition: transform 0.2s; }
.btn-udemy:hover { transform: translateY(-2px); }
.resource-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-bottom: 4rem; }
.resource-card { background: var(--white); border: 1px solid var(--light-border); border-radius: 10px; padding: 1.8rem; transition: border-color 0.2s; }
.resource-card:hover { border-color: var(--red); }
.resource-card .icon { font-size: 1.8rem; margin-bottom: 1rem; }
.resource-card h4 { font-size: 20px; font-weight: 700; margin-bottom: 0.5rem; color: var(--dark-grey); }
.resource-card p { font-size: 19px; color: var(--text-muted); line-height: 1.7; }
.link-list { list-style: none; margin-bottom: 4rem; }
.link-list li { border-bottom: 1px solid var(--light-border); }
.link-list li a { display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 0; color: var(--text-body); text-decoration: none; font-size: 19px; transition: color 0.2s; }
.link-list li a:hover { color: var(--red); }
.link-list li a span.arrow { color: var(--red); font-size: 1.2rem; }
.link-list li a .link-sub { font-size: 16px; color: var(--text-muted); display: block; margin-top: 0.2rem; }

/* BLOG POST */
.post-hero { padding: 9rem 4rem 4rem; background: var(--off-white); border-bottom: 1px solid var(--light-border); max-width: 860px; margin: 0 auto; }
.post-tag { font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--red); font-weight: 600; margin-bottom: 1rem; display: block; }
.post-hero h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.05; margin-bottom: 1.5rem; color: var(--dark-grey); }
.post-hero .lead { font-size: 21px; color: var(--text-muted); line-height: 1.8; max-width: 640px; }
.post-meta { margin-top: 2rem; font-size: 17px; color: var(--text-muted); display: flex; gap: 2rem; flex-wrap: wrap; }
.post-meta span strong { color: var(--dark-grey); }
.post-body { max-width: 720px; margin: 0 auto; padding: 4rem 4rem 6rem; }
.post-body p { color: var(--text-body); font-size: 22px; margin-bottom: 1.6rem; line-height: 1.9; }
.post-body h2 { font-family: 'Bebas Neue', sans-serif; font-size: 2.2rem; color: var(--dark-grey); margin: 3rem 0 1.2rem; }
.post-body h3 { font-size: 21px; font-weight: 700; margin: 2rem 0 0.75rem; color: var(--dark-grey); }
.post-body a { color: var(--red); }
.feature-list { list-style: none; margin: 1rem 0 2rem; }
.feature-list li { padding: 1rem 1.2rem; background: var(--off-white); border-left: 3px solid var(--red); border-radius: 0 6px 6px 0; margin-bottom: 0.6rem; font-size: 19px; color: var(--text-body); }
.feature-list li strong { color: var(--dark-grey); }
.cta-box { background: var(--off-white); border: 1px solid var(--light-border); border-radius: 12px; padding: 2.5rem; text-align: center; margin-top: 3rem; }
.cta-box h3 { font-family: 'Bebas Neue', sans-serif; font-size: 2.2rem; margin-bottom: 0.75rem; color: var(--dark-grey); }
.cta-box p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 19px; }
.btn-cta { display: inline-block; background-color: var(--yellow); color: var(--black); padding: 12px 24px; border-radius: 6px; font-weight: 700; text-decoration: none; font-size: 19px; transition: transform 0.2s; }
.btn-cta:hover { transform: translateY(-2px); }
.quote-block { border-left: 4px solid var(--yellow); padding: 1.5rem 2rem; background: var(--off-white); border-radius: 0 10px 10px 0; margin: 2rem 0; }
.quote-block p { font-family: 'Playfair Display', serif; font-style: italic; font-size: 21px; color: var(--dark-grey); margin: 0 0 0.75rem; }
.quote-block cite { font-size: 16px; color: var(--text-muted); font-style: normal; }
.egu-badge-large { background: var(--off-white); border: 1.5px solid var(--light-border); border-radius: 12px; padding: 2rem 2.5rem; display: flex; align-items: center; gap: 2rem; margin: 2.5rem 0; }
.egu-badge-large .badge-icon { font-size: 3rem; }
.egu-badge-large h3 { font-family: 'Bebas Neue', sans-serif; font-size: 1.9rem; color: var(--dark-grey); margin-bottom: 0.3rem; }
.egu-badge-large p { color: var(--text-muted); font-size: 18px; margin: 0; }

/* FOOTER */
footer {
  background: var(--black);
  padding: 3rem 4rem;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-copy { font-size: 17px; color: #888; }
.social-links { display: flex; gap: 1.2rem; }
.social-links a { color: #888; text-decoration: none; font-size: 1.1rem; transition: color 0.2s; }
.social-links a:hover { color: var(--yellow); }

/* FADE IN */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* MOBILE */
@media (max-width: 768px) {
  body { font-size: 19px; }
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 15px; }
  .btn-join { font-size: 15px; padding: 8px 14px; }
  .hero { flex-direction: column; padding: 7rem 1.5rem 3rem; }
  .illus-box { width: 100%; height: 220px; }
  .what-is { grid-template-columns: 1fr; padding: 4rem 1.5rem; gap: 2rem; }
  .impact, .blog-preview, .faq-section, .featured { padding: 4rem 1.5rem; }
  .impact-grid, .blog-grid, .resource-grid, .team-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 7rem 1.5rem 3rem; }
  .content { padding: 3rem 1.5rem; }
  .post-hero, .post-body { padding-left: 1.5rem; padding-right: 1.5rem; }
  .course-card { flex-direction: column; gap: 1rem; }
  .egu-badge-large { flex-direction: column; gap: 1rem; }
  footer { flex-direction: column; gap: 1rem; padding: 2rem 1.5rem; text-align: center; }
}